TABLE 2

Multinomial logistic regression model relating HIV-1 subtypes with date of diagnosis, age, gender, and presumed transmission mode

Subtype comparisonVariableBeSEWaldaORb95% CIc
LBUB
Recombinants vs A1/F1Days (or yr) since date of diagnosis−0.00040.0006.278*1.000 (0.852)0.9991.000
Age−0.0060.0190.0910.9940.9591.031
Male0.2980.6380.2181.3470.3864.699
Heterosexual−0.8080.7351.2070.4460.1061.884
IDUd−0.3460.8200.1780.7080.1423.533
G vs A1/F1Days (or yr) since date of diagnosis−0.0010.00010.774**0.999 (0.824)0.9991.000
Age0.0160.0161.1001.0160.9861.048
Male−0.8470.4763.1670.4290.1691.090
Heterosexual1.4501.1611.5594.2640.43841.537
IDU2.0121.2142.7477.4750.69380.672
B vs A1/F1Days (or yr) since date of diagnosis−0.0010.00017.319***0.999 (0.781)0.9991.000
Age−0.0160.0170.9320.9840.9521.017
Male−0.4730.5120.8560.6230.2291.698
Heterosexual−1.2340.6633.4590.2910.0791.069
IDU−1.5930.7714.269*0.2030.0450.921
C vs A1/F1Days (or yr) since date of diagnosis−0.0000.0005.154*1.000 (0.862)0.9991.000
Age0.0170.0190.8151.0170.9801.056
Male−0.6460.5791.2420.5240.1681.632
Heterosexual−0.2670.9490.0790.7660.1194.919
IDU1.2160.9961.4913.3740.47923.754
  • a *, P < 0.05; **, P < 0.01; ***, P < 0.001.

  • b OR, odds ratio.

  • c 95% CI, 95% confidence interval; LB, lower bound; UB, upper bound.

  • d IDU, intravenous drug users.

  • e B, regression coefficient.